The Stability of a Cantilever Beam Subjected to One-Dimensional Leakage Flow

Hiroshi Nagakura, Shigehiko Kaneko

研究成果: Article

20 引用 (Scopus)

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The stability of a cantilever beam subjected to one-dimensional leakage flow is investigated. The motion of such a beam is expressed as the sum of the first few eigenfunctions of a cantilever beam. The critical flow velocities and the natural frequencies on the neutral stability are determined as a function of gap width. Experimental results are in agreement with analytical ones. The complex frequency of the four lowest modes of the system is calculated in several representative cases as a function of flow velocity. In the case that the beam is clamped at the upstream end, the system is found to lose stability by coupled-mode flutter. On the other hand, in the case that the beam is clamped at the downstream end, the system is found to lose stability by divergence first, and successively lose stability by flutter with increasing flow velocity.

元の言語English
ページ(範囲)352-359
ページ数8
ジャーナルTransactions of the Japan Society of Mechanical Engineers Series C
58
発行部数546
DOI
出版物ステータスPublished - 1992 1 1
外部発表Yes

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

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